From patchwork Tue Jun 8 11:35:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinpu Wang X-Patchwork-Id: 12306487 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B80E6C49360 for ; Tue, 8 Jun 2021 11:36:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9FE5C60FF4 for ; Tue, 8 Jun 2021 11:36:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232081AbhFHLif (ORCPT ); Tue, 8 Jun 2021 07:38:35 -0400 Received: from mail-ej1-f53.google.com ([209.85.218.53]:35493 "EHLO mail-ej1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232046AbhFHLie (ORCPT ); Tue, 8 Jun 2021 07:38:34 -0400 Received: by mail-ej1-f53.google.com with SMTP id h24so32115296ejy.2 for ; Tue, 08 Jun 2021 04:36:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ionos.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=9BCO67ATEZhiNryCOj59nf1QjZjzBte/L5fuaPWdfrQ=; b=BGTVO6mDBuZnoYaVUKIHXcSc8Vrb4lBm3qod/BQ6hyFkYXZh/WfbGla0L2mdfIu4Ae 4Naysng+VysCgNLSJJJH212xvSDSSU/aCGLUwUFKKa/r6qjxlLowoUKvJN2kC72fIZHB dVWWVFzjgwZjuPbJSE0GNy35eBsDXrVLic8QnfE8JG897jTvENT0jf20IB4Ni2BG+rDC FQKa6DwA7cWEMgr62vqmjtcsIdn3fzjhSOAc8gHkjO0BefpgJzlr1Lt22RAqhqCJJP9F U85CGuHsHWt5+QpU9lJlJZgSqoqxakdZLAWyEa17V6JxbOlSjgvdZUk0gBGPvK+imnwe cjmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=9BCO67ATEZhiNryCOj59nf1QjZjzBte/L5fuaPWdfrQ=; b=cE9M8lp7HRrRiwhgG9XjmQ5B+cqRuH4qB7BhxqgpHabgaqIXSTGD+Mb4peVPb1LIYN dG1kEKnamTwCMLXUAqFRedhUPF4NZ/tGsFdRysv1fAS0BrJaKuHDN/H70h/3IakMVWIO lbeUo3Hse+KCwvUcnH7I+jNukDafh7QgRKWGn1E/j5XUe7DfSkAP1e0Z7ksy0y7iJ9ro gnwAvXWHuH2TKF74A+l4rDvGWJ0bud8wdXNhT1uK77WJjZhCnPzslJTmir8cVBBg+U06 opDSRBRYkJLaapfezgA1ObocciIvMm6ou3XVAQ/W+8jX3Su5lv7TI9ZX84VE9P97o4bt Kvwg== X-Gm-Message-State: AOAM532VGe3cnIKTCi4YFLsk95qan16VUv7E8tJikGJ0rEaHL/4fWG7W rZ5O4MP4yHZNDC+pzQjlFYVaXaagh3Ofeg== X-Google-Smtp-Source: ABdhPJxf5TFfm9zLHVvDenhAwQ1SwX2PlMTTey7M8zdHaIgx8FaXY5yMhdJVS7jp2J9CZg85FEFxtA== X-Received: by 2002:a17:906:8608:: with SMTP id o8mr23086028ejx.72.1623152140340; Tue, 08 Jun 2021 04:35:40 -0700 (PDT) Received: from jwang-Latitude-5491.fkb.profitbricks.net ([2001:16b8:4943:5b00:2927:a608:b264:d770]) by smtp.gmail.com with ESMTPSA id c7sm7675480ejs.26.2021.06.08.04.35.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Jun 2021 04:35:40 -0700 (PDT) From: Jack Wang To: linux-rdma@vger.kernel.org Cc: bvanassche@acm.org, leon@kernel.org, dledford@redhat.com, jgg@ziepe.ca, haris.iqbal@ionos.com, jinpu.wang@ionos.com, axboe@kernel.dk, Jack Wang , Md Haris Iqbal Subject: [PATCH for-next 4/5] RDMA/rtrs-clt: Raise MAX_SEGMENTS Date: Tue, 8 Jun 2021 13:35:35 +0200 Message-Id: <20210608113536.42965-5-jinpu.wang@ionos.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210608113536.42965-1-jinpu.wang@ionos.com> References: <20210608113536.42965-1-jinpu.wang@ionos.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Jack Wang As we can do fast memory registration on write, we can increase the max_segments, default to 512K. Signed-off-by: Jack Wang Reviewed-by: Md Haris Iqbal --- drivers/infiniband/ulp/rtrs/rtrs-clt.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index af738e7e1396..721ed0b5ae70 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -32,6 +32,8 @@ #define RTRS_RECONNECT_SEED 8 #define FIRST_CONN 0x01 +/* limit to 128 * 4k = 512k max IO */ +#define RTRS_MAX_SEGMENTS 128 MODULE_DESCRIPTION("RDMA Transport Client"); MODULE_LICENSE("GPL"); @@ -1545,7 +1547,7 @@ static struct rtrs_clt_sess *alloc_sess(struct rtrs_clt *clt, rdma_addr_size((struct sockaddr *)path->src)); strscpy(sess->s.sessname, clt->sessname, sizeof(sess->s.sessname)); sess->clt = clt; - sess->max_pages_per_mr = max_segments; + sess->max_pages_per_mr = RTRS_MAX_SEGMENTS; init_waitqueue_head(&sess->state_wq); sess->state = RTRS_CLT_CONNECTING; atomic_set(&sess->connected_cnt, 0); @@ -2694,7 +2696,7 @@ static struct rtrs_clt *alloc_clt(const char *sessname, size_t paths_num, clt->paths_up = MAX_PATHS_NUM; clt->port = port; clt->pdu_sz = pdu_sz; - clt->max_segments = max_segments; + clt->max_segments = RTRS_MAX_SEGMENTS; clt->reconnect_delay_sec = reconnect_delay_sec; clt->max_reconnect_attempts = max_reconnect_attempts; clt->priv = priv;